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1463309980 = 2251110616269
BaseRepresentation
bin101011100111000…
…0101011010011100
310202222110211220221
41113032011122130
510444101404410
6401111451124
751155633566
oct12716053234
93688424827
101463309980
116910004a0
1234a086aa4
131a42171c2
14dc4b2336
15886ed4da
hex5738569c

1463309980 has 48 divisors (see below), whose sum is σ = 3356004960. Its totient is φ = 531526400.

The previous prime is 1463309977. The next prime is 1463309983. The reversal of 1463309980 is 899033641.

It is an interprime number because it is at equal distance from previous prime (1463309977) and next prime (1463309983).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463309983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230286 + ... + 236554.

It is an arithmetic number, because the mean of its divisors is an integer number (69916770).

Almost surely, 21463309980 is an apocalyptic number.

1463309980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1463309980 is an abundant number, since it is smaller than the sum of its proper divisors (1892694980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1463309980 is a wasteful number, since it uses less digits than its factorization.

1463309980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350 (or 7348 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1463309980 is about 38253.2348958882. The cubic root of 1463309980 is about 1135.3038523553.

The spelling of 1463309980 in words is "one billion, four hundred sixty-three million, three hundred nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1061 2122 4244 5305 6269 10610 11671 12538 21220 23342 25076 31345 46684 58355 62690 68959 116710 125380 137918 233420 275836 344795 689590 1379180 6651409 13302818 26605636 33257045 66514090 73165499 133028180 146330998 292661996 365827495 731654990 1463309980